Pileus Git - ~andy/linux/blob - sound/isa/msnd/msnd_pinnacle_mixer.c

   1 /***************************************************************************
   2                           msnd_pinnacle_mixer.c  -  description
   3                              -------------------
   4     begin               : Fre Jun 7 2002
   5     copyright           : (C) 2002 by karsten wiese
   6     email               : annabellesgarden@yahoo.de
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #include <linux/io.h>
  19 #include <linux/export.h>
  20
  21 #include <sound/core.h>
  22 #include <sound/control.h>
  23 #include "msnd.h"
  24 #include "msnd_pinnacle.h"
  25
  26
  27 #define MSND_MIXER_VOLUME       0
  28 #define MSND_MIXER_PCM          1
  29 #define MSND_MIXER_AUX          2       /* Input source 1  (aux1) */
  30 #define MSND_MIXER_IMIX         3       /*  Recording monitor  */
  31 #define MSND_MIXER_SYNTH        4
  32 #define MSND_MIXER_SPEAKER      5
  33 #define MSND_MIXER_LINE         6
  34 #define MSND_MIXER_MIC          7
  35 #define MSND_MIXER_RECLEV       11      /* Recording level */
  36 #define MSND_MIXER_IGAIN        12      /* Input gain */
  37 #define MSND_MIXER_OGAIN        13      /* Output gain */
  38 #define MSND_MIXER_DIGITAL      17      /* Digital (input) 1 */
  39
  40 /*      Device mask bits        */
  41
  42 #define MSND_MASK_VOLUME        (1 << MSND_MIXER_VOLUME)
  43 #define MSND_MASK_SYNTH         (1 << MSND_MIXER_SYNTH)
  44 #define MSND_MASK_PCM           (1 << MSND_MIXER_PCM)
  45 #define MSND_MASK_SPEAKER       (1 << MSND_MIXER_SPEAKER)
  46 #define MSND_MASK_LINE          (1 << MSND_MIXER_LINE)
  47 #define MSND_MASK_MIC           (1 << MSND_MIXER_MIC)
  48 #define MSND_MASK_IMIX          (1 << MSND_MIXER_IMIX)
  49 #define MSND_MASK_RECLEV        (1 << MSND_MIXER_RECLEV)
  50 #define MSND_MASK_IGAIN         (1 << MSND_MIXER_IGAIN)
  51 #define MSND_MASK_OGAIN         (1 << MSND_MIXER_OGAIN)
  52 #define MSND_MASK_AUX           (1 << MSND_MIXER_AUX)
  53 #define MSND_MASK_DIGITAL       (1 << MSND_MIXER_DIGITAL)
  54
  55 static int snd_msndmix_info_mux(struct snd_kcontrol *kcontrol,
  56                                 struct snd_ctl_elem_info *uinfo)
  57 {
  58         static char *texts[3] = {
  59                 "Analog", "MASS", "SPDIF",
  60         };
  61         struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
  62         unsigned items = test_bit(F_HAVEDIGITAL, &chip->flags) ? 3 : 2;
  63
  64         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
  65         uinfo->count = 1;
  66         uinfo->value.enumerated.items = items;
  67         if (uinfo->value.enumerated.item >= items)
  68                 uinfo->value.enumerated.item = items - 1;
  69         strcpy(uinfo->value.enumerated.name,
  70                 texts[uinfo->value.enumerated.item]);
  71         return 0;
  72 }
  73
  74 static int snd_msndmix_get_mux(struct snd_kcontrol *kcontrol,
  75                                 struct snd_ctl_elem_value *ucontrol)
  76 {
  77         struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
  78         /* MSND_MASK_IMIX is the default */
  79         ucontrol->value.enumerated.item[0] = 0;
  80
  81         if (chip->recsrc & MSND_MASK_SYNTH) {
  82                 ucontrol->value.enumerated.item[0] = 1;
  83         } else if ((chip->recsrc & MSND_MASK_DIGITAL) &&
  84                  test_bit(F_HAVEDIGITAL, &chip->flags)) {
  85                 ucontrol->value.enumerated.item[0] = 2;
  86         }
  87
  88
  89         return 0;
  90 }
  91
  92 static int snd_msndmix_set_mux(struct snd_msnd *chip, int val)
  93 {
  94         unsigned newrecsrc;
  95         int change;
  96         unsigned char msndbyte;
  97
  98         switch (val) {
  99         case 0:
 100                 newrecsrc = MSND_MASK_IMIX;
 101                 msndbyte = HDEXAR_SET_ANA_IN;
 102                 break;
 103         case 1:
 104                 newrecsrc = MSND_MASK_SYNTH;
 105                 msndbyte = HDEXAR_SET_SYNTH_IN;
 106                 break;
 107         case 2:
 108                 newrecsrc = MSND_MASK_DIGITAL;
 109                 msndbyte = HDEXAR_SET_DAT_IN;
 110                 break;
 111         default:
 112                 return -EINVAL;
 113         }
 114         change  = newrecsrc != chip->recsrc;
 115         if (change) {
 116                 change = 0;
 117                 if (!snd_msnd_send_word(chip, 0, 0, msndbyte))
 118                         if (!snd_msnd_send_dsp_cmd(chip, HDEX_AUX_REQ)) {
 119                                 chip->recsrc = newrecsrc;
 120                                 change = 1;
 121                         }
 122         }
 123         return change;
 124 }
 125
 126 static int snd_msndmix_put_mux(struct snd_kcontrol *kcontrol,
 127                                 struct snd_ctl_elem_value *ucontrol)
 128 {
 129         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
 130         return snd_msndmix_set_mux(msnd, ucontrol->value.enumerated.item[0]);
 131 }
 132
 133
 134 static int snd_msndmix_volume_info(struct snd_kcontrol *kcontrol,
 135                                    struct snd_ctl_elem_info *uinfo)
 136 {
 137         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 138         uinfo->count = 2;
 139         uinfo->value.integer.min = 0;
 140         uinfo->value.integer.max = 100;
 141         return 0;
 142 }
 143
 144 static int snd_msndmix_volume_get(struct snd_kcontrol *kcontrol,
 145                                   struct snd_ctl_elem_value *ucontrol)
 146 {
 147         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
 148         int addr = kcontrol->private_value;
 149         unsigned long flags;
 150
 151         spin_lock_irqsave(&msnd->mixer_lock, flags);
 152         ucontrol->value.integer.value[0] = msnd->left_levels[addr] * 100;
 153         ucontrol->value.integer.value[0] /= 0xFFFF;
 154         ucontrol->value.integer.value[1] = msnd->right_levels[addr] * 100;
 155         ucontrol->value.integer.value[1] /= 0xFFFF;
 156         spin_unlock_irqrestore(&msnd->mixer_lock, flags);
 157         return 0;
 158 }
 159
 160 #define update_volm(a, b)                                               \
 161         do {                                                            \
 162                 writew((dev->left_levels[a] >> 1) *                     \
 163                        readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
 164                        dev->SMA + SMA_##b##Left);                       \
 165                 writew((dev->right_levels[a] >> 1)  *                   \
 166                        readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
 167                        dev->SMA + SMA_##b##Right);                      \
 168         } while (0);
 169
 170 #define update_potm(d, s, ar)                                           \
 171         do {                                                            \
 172                 writeb((dev->left_levels[d] >> 8) *                     \
 173                        readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
 174                        dev->SMA + SMA_##s##Left);                       \
 175                 writeb((dev->right_levels[d] >> 8) *                    \
 176                        readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
 177                        dev->SMA + SMA_##s##Right);                      \
 178                 if (snd_msnd_send_word(dev, 0, 0, ar) == 0)             \
 179                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);       \
 180         } while (0);
 181
 182 #define update_pot(d, s, ar)                                            \
 183         do {                                                            \
 184                 writeb(dev->left_levels[d] >> 8,                        \
 185                        dev->SMA + SMA_##s##Left);                       \
 186                 writeb(dev->right_levels[d] >> 8,                       \
 187                        dev->SMA + SMA_##s##Right);                      \
 188                 if (snd_msnd_send_word(dev, 0, 0, ar) == 0)             \
 189                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);       \
 190         } while (0);
 191
 192
 193 static int snd_msndmix_set(struct snd_msnd *dev, int d, int left, int right)
 194 {
 195         int bLeft, bRight;
 196         int wLeft, wRight;
 197         int updatemaster = 0;
 198
 199         if (d >= LEVEL_ENTRIES)
 200                 return -EINVAL;
 201
 202         bLeft = left * 0xff / 100;
 203         wLeft = left * 0xffff / 100;
 204
 205         bRight = right * 0xff / 100;
 206         wRight = right * 0xffff / 100;
 207
 208         dev->left_levels[d] = wLeft;
 209         dev->right_levels[d] = wRight;
 210
 211         switch (d) {
 212                 /* master volume unscaled controls */
 213         case MSND_MIXER_LINE:                   /* line pot control */
 214                 /* scaled by IMIX in digital mix */
 215                 writeb(bLeft, dev->SMA + SMA_bInPotPosLeft);
 216                 writeb(bRight, dev->SMA + SMA_bInPotPosRight);
 217                 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
 218                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
 219                 break;
 220         case MSND_MIXER_MIC:                    /* mic pot control */
 221                 if (dev->type == msndClassic)
 222                         return -EINVAL;
 223                 /* scaled by IMIX in digital mix */
 224                 writeb(bLeft, dev->SMA + SMA_bMicPotPosLeft);
 225                 writeb(bRight, dev->SMA + SMA_bMicPotPosRight);
 226                 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
 227                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
 228                 break;
 229         case MSND_MIXER_VOLUME:         /* master volume */
 230                 writew(wLeft, dev->SMA + SMA_wCurrMastVolLeft);
 231                 writew(wRight, dev->SMA + SMA_wCurrMastVolRight);
 232                 /* fall through */
 233
 234         case MSND_MIXER_AUX:                    /* aux pot control */
 235                 /* scaled by master volume */
 236                 /* fall through */
 237
 238                 /* digital controls */
 239         case MSND_MIXER_SYNTH:                  /* synth vol (dsp mix) */
 240         case MSND_MIXER_PCM:                    /* pcm vol (dsp mix) */
 241         case MSND_MIXER_IMIX:                   /* input monitor (dsp mix) */
 242                 /* scaled by master volume */
 243                 updatemaster = 1;
 244                 break;
 245
 246         default:
 247                 return -EINVAL;
 248         }
 249
 250         if (updatemaster) {
 251                 /* update master volume scaled controls */
 252                 update_volm(MSND_MIXER_PCM, wCurrPlayVol);
 253                 update_volm(MSND_MIXER_IMIX, wCurrInVol);
 254                 if (dev->type == msndPinnacle)
 255                         update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
 256                 update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
 257         }
 258
 259         return 0;
 260 }
 261
 262 static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
 263                                   struct snd_ctl_elem_value *ucontrol)
 264 {
 265         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
 266         int change, addr = kcontrol->private_value;
 267         int left, right;
 268         unsigned long flags;
 269
 270         left = ucontrol->value.integer.value[0] % 101;
 271         right = ucontrol->value.integer.value[1] % 101;
 272         spin_lock_irqsave(&msnd->mixer_lock, flags);
 273         change = msnd->left_levels[addr] != left
 274                 || msnd->right_levels[addr] != right;
 275         snd_msndmix_set(msnd, addr, left, right);
 276         spin_unlock_irqrestore(&msnd->mixer_lock, flags);
 277         return change;
 278 }
 279
 280
 281 #define DUMMY_VOLUME(xname, xindex, addr) \
 282 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 283   .info = snd_msndmix_volume_info, \
 284   .get = snd_msndmix_volume_get, .put = snd_msndmix_volume_put, \
 285   .private_value = addr }
 286
 287
 288 static struct snd_kcontrol_new snd_msnd_controls[] = {
 289 DUMMY_VOLUME("Master Volume", 0, MSND_MIXER_VOLUME),
 290 DUMMY_VOLUME("PCM Volume", 0, MSND_MIXER_PCM),
 291 DUMMY_VOLUME("Aux Volume", 0, MSND_MIXER_AUX),
 292 DUMMY_VOLUME("Line Volume", 0, MSND_MIXER_LINE),
 293 DUMMY_VOLUME("Mic Volume", 0, MSND_MIXER_MIC),
 294 DUMMY_VOLUME("Monitor", 0, MSND_MIXER_IMIX),
 295 {
 296         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 297         .name = "Capture Source",
 298         .info = snd_msndmix_info_mux,
 299         .get = snd_msndmix_get_mux,
 300         .put = snd_msndmix_put_mux,
 301 }
 302 };
 303
 304
 305 int snd_msndmix_new(struct snd_card *card)
 306 {
 307         struct snd_msnd *chip = card->private_data;
 308         unsigned int idx;
 309         int err;
 310
 311         if (snd_BUG_ON(!chip))
 312                 return -EINVAL;
 313         spin_lock_init(&chip->mixer_lock);
 314         strcpy(card->mixername, "MSND Pinnacle Mixer");
 315
 316         for (idx = 0; idx < ARRAY_SIZE(snd_msnd_controls); idx++)
 317                 err = snd_ctl_add(card,
 318                                   snd_ctl_new1(snd_msnd_controls + idx, chip));
 319                 if (err < 0)
 320                         return err;
 321
 322         return 0;
 323 }
 324 EXPORT_SYMBOL(snd_msndmix_new);
 325
 326 void snd_msndmix_setup(struct snd_msnd *dev)
 327 {
 328         update_pot(MSND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
 329         update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
 330         update_volm(MSND_MIXER_PCM, wCurrPlayVol);
 331         update_volm(MSND_MIXER_IMIX, wCurrInVol);
 332         if (dev->type == msndPinnacle) {
 333                 update_pot(MSND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
 334                 update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
 335         }
 336 }
 337 EXPORT_SYMBOL(snd_msndmix_setup);
 338
 339 int snd_msndmix_force_recsrc(struct snd_msnd *dev, int recsrc)
 340 {
 341         dev->recsrc = -1;
 342         return snd_msndmix_set_mux(dev, recsrc);
 343 }
 344 EXPORT_SYMBOL(snd_msndmix_force_recsrc);